Verbatim text: Brittain, W. H. and W. F. Grant. 1965. Observations on Canadian birch (Betula) collections at the Morgan Arboretum. I. B. papyrifera in eastern Canada. Canad. Field-Naturalist 79: 189--197.
Author: Brittain, W.H., Grant, W.F.
Year: 1965
Title: Observations on Canadian birch (Betula) collections at the Morgan Arboretum. I. B. papyrifera in eastern Canada
Journal: Canad. Field-Naturalist
Volume: 79
Pages: 189–197